As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3660 BWI - RED SMOKE WARNING ILLUMINATED ON CAP DURING TAXI. NO INDICATION AFTER 30 SECONDS ON PRIMARY SYSTEM. PANEL LIGHT EXTINGUISHED AFTER 2 MINUTES. MAINTENANCE INSPECTED THE MAIN BAGGAGE COMPARTMENT SMOKE DETECTORS. NO DEFECTS NOTED.